125÷9x24x45简便运算？

Question

如题所述

Answer 1

简便运算：
125÷9×24×45
=125×24×(45÷9)
=125×8×3×5
=(125×8)×(3×5)
=1000×15
=15000
题中运用了乘法交换律，乘法结合律，来实现简便运算。

Answer 2

具付上步骤如下，
125÷9x24x45
=25x5÷9ⅹ3ⅹ8ⅹ5ⅹ9
=25ⅹ5ⅹ3Ⅹ8x5
=25x4x5ⅹ2X3ⅹ5
=100ⅹ10x15
=15000

Answer 3

125÷9x24x45
=125x1/9x24x45
=125x24x45
=（125x8）x（45x3）
=1000x135
=135000

Answer 4

125÷9×24×45
=(125×24)×(45÷9)
=(125×8×3)×5
=3000×5
=15000

Answer 5

125÷9x24x45
=125×8×3×5
=15000.